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首页> 外文期刊>ACM transactions on sensor networks >DISH: Distributed SHuffling Against Selective Jamming Attack in IEEE 802.15.4e TSCH Networks
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DISH: Distributed SHuffling Against Selective Jamming Attack in IEEE 802.15.4e TSCH Networks

机译：DISH：针对IEEE 802.15.4e TSCH网络中的选择性干扰攻击的分布式改组

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摘要

The MAC standard amendment IEEE 802.15.4e is designed to meet the requirements of industrial and critical applications. In particular, the Time Slotted Channel Hopping (TSCH) mode divides time into periodic, equally sized, slotframes composed of transmission timeslots. Then, it combines time slotted access with multichannel and channel hopping capabilities, providing large network capacity, high reliability, and predictable latency while ensuring energy efficiency. Since every network node considers the same timeslots at each slotframe and selects physical channels according to a periodic function, TSCH produces a steady channel utilization pattern. This can be exploited by a selective jammer to entirely thwart communications of a victim node in a way that is stealthy, effective, and extremely energy efficient. This article shows how a selective jamming attack can be successfully performed even though TSCH uses the IEEE 802.15.4e security services. Furthermore, we propose DISH, a countermeasure which randomly permutes the timeslot and channel utilization patterns at every slotframe in a consistent and completely distributed way without requiring any additional message exchange. We have implemented DISH for the Contiki OS and tested its effectiveness on TelosB sensor nodes. Quantitative analysis for different network configurations shows that DISH effectively contrasts selective jamming with negligible performance penalty.
机译：MAC标准修订版IEEE 802.15.4e旨在满足工业和关键应用的要求。特别是，时隙信道跳频（TSCH）模式将时间划分为由传输时隙组成的大小相等的周期性时隙帧。然后，它将时隙访问与多信道和信道跳变功能相结合，在确保能源效率的同时，提供了较大的网络容量，高可靠性和可预测的延迟。由于每个网络节点在每个时隙帧中都考虑相同的时隙，并根据周期函数选择物理信道，因此TSCH会产生稳定的信道利用率模式。选择性干扰器可利用此功能以隐身，有效且极其节能的方式完全阻止受害节点的通信。本文说明了即使TSCH使用IEEE 802.15.4e安全服务，也可以成功地执行选择性干扰攻击。此外，我们提出了DISH，一种对策，它以一致且完全分布式的方式随机排列每个时隙帧的时隙和信道利用率模式，而无需任何其他消息交换。我们已经为Contiki OS实现了DISH，并在TelosB传感器节点上测试了其有效性。对不同网络配置的定量分析表明，DISH有效地将选择性干扰与可忽略的性能损失进行了对比。

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